CN207249445U - A kind of device for detecting filter filter membrane quality - Google Patents
A kind of device for detecting filter filter membrane quality Download PDFInfo
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- CN207249445U CN207249445U CN201721305733.1U CN201721305733U CN207249445U CN 207249445 U CN207249445 U CN 207249445U CN 201721305733 U CN201721305733 U CN 201721305733U CN 207249445 U CN207249445 U CN 207249445U
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- pressure sensor
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Abstract
The utility model discloses a kind of device for detecting filter filter membrane quality, it includes a detection platform；At least surface tension reagent injection path and surface tension reagent recovery passage all the way is provided with the detection platform, toward surface tension reagent and recycling tonicity agent is injected in detected filter, to ensure effectively to infiltrate filter membrane；At least detection gas distribution channel all the way is additionally provided with detection platform, control valve, air inlet pressure sensor are provided with the pipeline of detection gas injection filter, outlet pressure sensor, outlet pressure sensor and gas flow meter are provided with the pipeline of detection gas discharge strainer；Control circuit is additionally provided with detection platform, the control circuit is according to the data of detection, analysis, integrality, pressure-resistant performance and the pore size distribution characteristics specified for judging filter membrane.
Description
Technical field
A kind of detection device is the utility model is related to, specifically, is related to a kind of dress for being used to detect filter filter membrane quality
Put.
Background technology
For pharmaceutical producing enterprise, before medicine (such as injection, tablet, pulvis) dispatches from the factory, whether it is contained
Harmful microorganism is detected.If detection finds that this batch of medicine is substandard product, it is impossible to is gone out containing harmful microorganism
Factory is, it is necessary to destroy.Filter with filter membrane is exactly the microorganism for being enriched with detected sample, so as to judge that this batch is detected
The whether qualified utensil of medicine.
Before whether containing microorganism in filter enrichment detected sample, it is necessary first to which the quality of filter is examined
Survey, particularly the filter membrane quality in filter is detected.At present, each pharmacy corporation is used for the device base for detecting filter filter membrane quality
It is import equipment on this, expensive, maintenance cost is high；It is that filter is broken moreover, when being detected to filter membrane
Bad property operates, and filter membrane is taken out out of filter, is detected, after detection, filter can not just reuse.
Utility model content
In view of the foregoing, the purpose of this utility model is to provide a kind of simple without destructiveness detection, structure to filter
The device for being used to detect filter filter membrane quality single, equipment manufacturing costs are low, domestic.
To achieve the above object, the utility model uses following technical scheme：A kind of device for detecting filter filter membrane quality,
It is characterized in that：It includes a detection platform；Be provided with the detection platform at least all the way surface tension reagent injection path and
At least surface tension reagent recovery passage all the way；
At least detection gas injection path and at least detection gas discharge all the way all the way are additionally provided with the detection platform
Path, is provided with control valve, air inlet pressure sensor, in detection gas discharge strainer on the pipeline of detection gas injection filter
Pipeline on be provided with outlet pressure sensor and exit gas flowmeter, continuous detection gas are by infiltrating the filter of tonicity agent
Flow, the pressure difference of film；
Control circuit is additionally provided with detection platform, which includes microprocessor, and the signal of control circuit is defeated
The signal output part for entering end with air inlet pressure sensor, outlet pressure sensor and exit gas flowmeter is connected, control circuit
Control signal output be connected with the control terminal of the control valve on gas piping.
In the utility model preferred embodiment, the surface tension reagent injection path includes being arranged on detection platform table
The tonicity agent seal nipple in face, the surface tension standard reagent box and tonicity agent sample-adding pump being arranged on inside detection platform；
The tonicity agent seal nipple on detection platform surface by the road, tonicity agent sample-adding pump communicating surface tension force standard reagent box；
The surface tension reagent recovery passage includes tonicity agent and gas switching valve and tonicity agent discharge pipe；Filter
The liquid outlet of bottom is by the road, the tonicity agent is connected with gas switching valve with tonicity agent discharge pipe.
Further, the detection gas injection path includes the gas self-sealing joint for being arranged on detection platform surface,
Detection N2Gas source interface, electronic micrometeor control needle-valve, the air inlet pressure sensor being arranged on inside detection platform；Detection is used
N2Gas source interface is by the road, electronic micrometeor control needle-valve, air inlet pressure sensor be connected with gas self-sealing joint；
The detection gas drain passageway includes outlet pressure sensor, exit gas flowmeter, is detected filter bottom
Gas outlet by the road, outlet pressure sensor, exit gas flowmeter and the detection gas outlet phase inside detection platform
Even.
Further, it is additionally provided with the surface of the detection platform for interactive button, display, the input of its data/
Output terminal is connected with the control circuit respectively.
In the utility model preferred embodiment, the device of the detection filter filter membrane quality further includes instrument support and is used for
The filter pressing plate of fixed detected filter；The driving machine for driving filter pressing plate to move up and down is further fixed on instrument support
Structure；Filter pressing plate moves down, and compresses filter plug；Filter pressing plate moves up, and unclamps filter plug.
Brief description of the drawings
Fig. 1 is the utility model dimensional structure diagram；
Fig. 2 is that the utility model removes the inside top figure after instrument support.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is described in further detail, it should be understood that these realities
Apply example and be merely to illustrate the utility model rather than limitation the scope of protection of the utility model.
As shown in Figure 1, the device of the disclosed detection filter filter membrane quality of the utility model includes detection platform 1, instrument suppotr
Frame 2, filter pressing plate 3.
The core component of the utility model is detection platform 1, and at least surface tension examination all the way is provided with detection platform
Path and at least surface tension reagent recovery passage all the way are injected in agent, can toward injecting surface tension reagent in detected filter,
Filter filter membrane is fully immersed in surface tension reagent；It is additionally provided with least that detection gas injection is logical all the way in detection platform
Road and at least detection gas drain passageway all the way, control valve, admission pressure are provided with the path of detection gas injection filter
Sensor, is provided with outlet pressure sensor, exit gas flowmeter on the path of gas discharge strainer.
The testing principle of the utility model：After detected filter membrane is dipped into tonicity agent, detection is injected into filter
Gas, the filter membrane soaked by tonicity agent is blown with gas, by measuring gas discharge amount, air inlet, the pressure differential of outlet, analysis,
Judge the integrality and pore size distribution characteristics specified of filter membrane.
Control circuit is additionally provided with detection platform, which includes microprocessor, and the signal of control circuit is defeated
The signal output part for entering end with air inlet pressure sensor, outlet pressure sensor and exit gas flowmeter is connected, control circuit
Control signal output be connected with the control terminal of the control valve on gas passage, the action of control valve；The control circuit root
According to the data of detection, analysis, the integrality and pore size distribution characteristics specified for judging filter membrane.
Illustration is embodied for the utility model in Fig. 2, as shown in Fig. 2, the surface of the detection platform 1 is equipped with for interaction
Button 11, display 12, tonicity agent seal nipple 13, gas self-sealing joint 14, detection N2Gas source interface 15；Detecting
Platform interior is equipped with detection gas outlet 24 and tonicity agent discharge pipe 25.
Surface tension standard reagent box 16, tonicity agent sample-adding pump 17 are internally provided with detection platform.Detection platform
The tonicity agent seal nipple 13 on surface passes through pipeline, 17 communicating surface tension force standard reagent box 16 of tonicity agent sample-adding pump.
Electronic micrometeor control needle-valve 18, air inlet pressure sensor 19 are additionally provided with the inside of detection platform.Detection is used
N2Gas source interface 15 controls needle-valve 18, air inlet pressure sensor 19 and gas self-sealing joint 14 by pipeline, electronic micrometeor
It is connected.
Be additionally provided with the inside of detection platform outlet pressure sensor 20, exit gas flowmeter 21 and tonicity agent with
Gas switching valve 23, be detected filter bottom gas outlet by the road, outlet pressure sensor 20, exit gas flowmeter 21 with
The detection gas outlet 24 on detection platform surface is connected；The liquid outlet of filter bottom is by the road, tonicity agent and gas cuts
Valve 23 is changed with the tonicity agent discharge pipe 25 on detection platform surface to be connected.
When needing to detect filter resistance to pressure, detected filter 4 is placed in the detection station in detection platform 1,
The filter syringe needle 5 being connected with filter top is inserted on gas self-sealing joint 14, closes tonicity agent and gas switching valve 23,
Open electronic micrometeor control needle-valve 18 and carry out pressurization experiment, stop to setting threshold values, and filter tank body does not destroy and illustrates that its is resistance to
Performance is pressed to meet.
When needing to detect the integrity of filtration membranes and pore-size distribution situation in filter, detected filter 4 is placed on inspection
Survey in the detection station on platform 1, the filter syringe needle 5 being connected with filter top is inserted on tonicity agent seal nipple 13,
Power reagent switches to tonicity agent path with gas switching valve 23, starts tonicity agent sample-adding pump 17, surface tension standard reagent
Liquid in box 16 is just flowed into filter 4, and the filter membrane in filter is soaked in tonicity agent, and filter membrane to be detected is completely soaked
After in tonicity agent, tonicity agent sample-adding pump 17 is closed, tonicity agent and gas switching valve 23 are closed into immersion filter membrane, necessarily
After time (such as after 10-30 minutes), tonicity agent and gas switching valve 23 are switched into the suitably emptying of tonicity agent path
Power reagent, gas passage is switched to by tonicity agent and gas switching valve 23；
Then, the filter syringe needle 5 being connected with filter top is extracted from tonicity agent seal nipple 13, is inserted into gas certainly
On seal nipple 14, open electronic micrometeor and control needle-valve 18 to appropriate aperture, detection N2Enter in filter, and record into
Air pressure force snesor 19, outlet pressure sensor 20, the numerical value of exit gas flowmeter detection, calculate admission pressure and go out air pressure
Force difference, according to the admission pressure of record and outlet pressure be poor, gas flow, analyzes the integrality and pore-size distribution of filter membrane.
As shown in Fig. 2, being additionally provided with control circuit 22 in the utility model detection platform 1, which includes micro- place
Device is managed, the signal input part of control circuit is respectively with button output terminal, and air inlet pressure sensor, outlet pressure sensor, exports
The detection signal output part of gas flowmeter is connected, and receives various detection data, is calculated, analyzed, handled.Control circuit
Control signal output is connected with electronic micrometeor control needle-valve 18, tonicity agent with the control terminal of gas switching valve 23 respectively,
The action of control valve, the data output end of control circuit are also connected with the data input pin of display, show various data.
The filter seen currently on the market, there is two tank filters, three tank filters, also has tetrad tank filter, in this practicality
In new specific embodiment, as shown in Fig. 2, filter 4 is the filter with three tank bodies, the bottom of each tank body is provided with one
A filter membrane, to detect the filter membrane characteristic in each tank body, can set N roads detection gas distribution channel in detection device,
In this specific embodiment, the utility model devises three road gas distribution channels, corresponds to a tank body respectively.
For ease of operation, as shown in Figure 1, the utility model have also been devised instrument support 2 and for fixed detected filter
Filter pressing plate 3.It is further fixed on instrument support 2 for driving driving mechanism that filter pressing plate 3 moves up and down (such as electricity
Machine) 6.Filter pressing plate 3 moves down, and compresses filter plug 7, further filter 4 is fixed in detection platform, with convenient to operate；
Filter pressing plate 3 moves up, and filter plug 7 is unclamped, so that filter 4 be removed from detection platform.
Since the utility model is when detecting filter filter membrane quality, destructive operation is not carried out, is not destroying filter
Quality testing is carried out on the premise of filter tank to filter membrane, after surface tension reagent to be detected discharge, which can also be normal
Use.The utility model is fully able to realize the indexs such as pressure-resistant performance, the integrality of filter membrane and the filter sizes distribution to filter
Detection, whole assay device structures are simple, manufacture cost substantially reduce.
Above to the detailed description of filter filter membrane quality detection device provided by the utility model.To the technology of this area
For personnel, to any obvious change that it is done on the premise of without departing substantially from the utility model in essence spirit, all will
The infringement to the utility model patent power is formed, corresponding legal liabilities will be undertaken.
Claims (5)
- A kind of 1. device for detecting filter filter membrane quality, it is characterised in that：It includes a detection platform；At least surface tension reagent injection path and at least surface tension reagent recycling all the way all the way are provided with the detection platform Path；At least detection gas injection path and at least detection gas drain passageway all the way all the way are additionally provided with the detection platform, Control valve, air inlet pressure sensor are provided with the pipeline of detection gas injection filter, in the pipe of detection gas discharge strainer It is provided with outlet pressure sensor and exit gas flowmeter on road, continuous detection gas are by infiltrating the filter membrane of tonicity agent Flow, pressure difference；Control circuit is additionally provided with detection platform, which includes microprocessor, the signal input part of control circuit It is connected with the signal output part of air inlet pressure sensor, outlet pressure sensor and exit gas flowmeter, the control of control circuit Signal output part processed is connected with the control terminal of the control valve on gas piping.
- 2. the device of detection filter filter membrane quality according to claim 1, it is characterised in that：The surface tension reagent injection path includes the tonicity agent seal nipple (13) for being arranged on detection platform surface, sets Surface tension standard reagent box (16) and tonicity agent sample-adding pump (17) inside detection platform；The tension force on detection platform surface Reagent seal nipple (13) by the road, tonicity agent sample-adding pump (17) communicating surface tension force standard reagent box (16)；The surface tension reagent recovery passage includes tonicity agent and gas switching valve (23) and tonicity agent discharge pipe (25)； The liquid outlet of filter bottom is by the road, the tonicity agent is connected with gas switching valve (23) with tonicity agent discharge pipe.
- 3. the device of detection filter filter membrane quality according to claim 1 or 2, it is characterised in that：The detection gas injection path includes the gas self-sealing joint (14) for being arranged on detection platform surface, detection N2Gas Source interface (15), electronic micrometeor control needle-valve (18), the air inlet pressure sensor (19) being arranged on inside detection platform；Detection Use N2Gas source interface (15) by the road, electronic micrometeor control needle-valve (18), air inlet pressure sensor (19) and gas self sealss Connector (14) is connected；The detection gas drain passageway includes outlet pressure sensor (20), exit gas flowmeter (21), is detected filter The detection of the gas outlet of bottom by the road, inside outlet pressure sensor (20), exit gas flowmeter (21) and detection platform Gas discharge outlet (24) is connected.
- 4. the device of detection filter filter membrane quality according to claim 3, it is characterised in that：In the table of the detection platform Face is additionally provided with for interactive button (11), display (12), its data input/output terminal respectively with the control circuit phase Even.
- 5. the device of detection filter filter membrane quality according to claim 4, it is characterised in that：The detection filter filter membrane quality Device further include instrument support (2) and the filter pressing plate (3) for fixed detected filter；It is further fixed on being used for the driving mechanism (6) for driving filter pressing plate (3) to move up and down on instrument support (2)；Filter pressing plate (3) move down, compress filter plug (7)；Filter pressing plate (3) moves up, and unclamps filter plug (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721305733.1U CN207249445U (en) | 2017-10-10 | 2017-10-10 | A kind of device for detecting filter filter membrane quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721305733.1U CN207249445U (en) | 2017-10-10 | 2017-10-10 | A kind of device for detecting filter filter membrane quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207249445U true CN207249445U (en) | 2018-04-17 |
Family
ID=61890062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721305733.1U Active CN207249445U (en) | 2017-10-10 | 2017-10-10 | A kind of device for detecting filter filter membrane quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207249445U (en) |
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2017
- 2017-10-10 CN CN201721305733.1U patent/CN207249445U/en active Active
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